diff --git a/package.json b/package.json
index eb145b1..7419352 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "rimraf": "^3.0.2",
     "rollup": "^4.18.0",
     "rollup-plugin-summary": "^2.0.1",
-    "typescript": "~5.5.0"
+    "typescript": "~5.9.0"
   },
   "customElements": "custom-elements.json"
 }